2.90:Tab Marking (Property)

Tab Marking allows you to insert tab characters into a document's text data.

The Tab Marking property enables tab characters for regular expression pattern matching. These characters are inserted into a document's text data wherever there is a large gap of space between characters on a line.

About

Normally, a space is a space is a space. Whether a space between characters, a space between columns, or any other space between characters, those spaces are represented by a single space character in a document's text data.

However, often, knowing there's a large amount of space one one or both sides of a label or value can be useful information for how to extract that data. The image below has three columns each with pairs of numbers.

You can visually differentiate between the numbers in the second column from the others based on the spatial context around it. The numbers in this columns have a large amount of space on either side between them and the numbers in the other columns.